Airplane mode turns off the wireless radio. This allows you to use programs while traveling on an airplane, but not make or receive calls. To turn on
airplane mode, follow these steps:
Briefly press the Power key.1.
Tap Offline.2.
Browser message (WAP Push)
WAP Push messages are supported.
Turning off WAP Push messages is not supported on your particular phone model.
Change band
We’re sorry, but this feature is not an available on your particular phone model.
Data roaming
How to use, turn on, or turn off data roaming
To use, turn on, or turn off data roaming, follow these steps:
From the Home screen, press the Menu key.1.
Tap Settings.2.
Double-tap Connectivity.3.
Double-tap Data transfer.4.
Tap Sync.5.
Tap Options.6.
Tap Advanced settings.7.
Tap Sync when roaming.8.
Tap Never allow.9.
Tap OK.10.
Manual network selection
How to perform a manual network selection to register on a network
Related error: 'Network unavailable'
To manually select the wireless network the phone connects to, follow these steps:
From the Home screen, press the Menu key.1.
Tap Settings.2.
Double-tap Connectivity.3.
Tap Network.4.
Tap Operator selection.5.
Tap Manual.6.
Note: The phone detects and registers on wireless networks inside T-Mobile’s calling area, but roaming networks are usually restricted to T-Mobile SIM
cards. You can manually select a network only in areas where T-Mobile does not own GSM spectrum.
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Reset
Back Up Information Before a Reset
To back up all data or information, follow these steps:
From the Home screen, select Menu > Applications > Office > File manager.1.
Press Backup twice.2.
Select Backup contents.3.
Select from the following items you want to back up: e.g.
Messages
Contacts
Calendar entries
Bookmarks & Files
4.
DO NOT select Settings (as this may cause issues to repeat during a master reset).5.
Select Ok.6.
Select Options > Back up now > Yes .7.